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| 15-AUG-2013 | ©2013 Richard Lee |
Banded Iron - Not petrified wood! However it is important in earth's history, it dates to the Proterozoic Era, Paleoproterozoic Period 2500 - 1600 million years ago. It marks the beginning of aerobic metabolism and the oxidation or "rusting" of iron in banded oceanic iron sediment layers.
| Full EXIF Info | |
| Date/Time | 15-Aug-2013 13:45:38 |
| Make | Canon |
| Model | Canon EOS 7D |
| Flash Used | No |
| Focal Length | 55 mm |
| Exposure Time | 1/10 sec |
| Aperture | f/7.1 |
| ISO Equivalent | 1250 |
| Exposure Bias | -0.67 |
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